private async void DeleteClick(object sender, RoutedEventArgs e)
{
await PlatformFileAccess.DeleteFile(MyDataFileName);
var msg = new MessageDialog("deleted");
await msg.ShowAsync();
}
private void DeleteClick(object sender, RoutedEventArgs e)
{
PlatformFileAccess.DeleteFile(MyDataFileName);
var prompt = new MessagePrompt {
Title = "Deleted", Message = "data deleted"
};
prompt.Show();
}